I’d like to thank Nathan and the team at Wendy’s Broadcadst for all their help. They have been supplying me with custom cables, made to the highest standard over many year. The low profile connectors are hard to find, yet they normally ship the finished leads the day after ordering, often to studios or locations where I am filming and I’ve never had to ask for any adjustments or corrections; They are right first time, despite my requiring some unusual bespoke wiring. I’ve also benefited from real world advice about products and fault finding. Wendy’s Broadcast have made location sound far less stressful.
Active or Passive Wide-Band LPDA Antenna
LPDA-A-WB
The LPDA-A-WB may be used in an Active or Passive Mode to suit individual applications:
Active Mode with fixed Bandwidth in the 470-960MHz range (custom tuned in Bands) with user adjustable gain of 18dB
Passive Mode (when there is no dc present) can be used as a High Gain, passive antenna to receive or to transmit within the in-built filtering filter range, passive gain boasting 5dB.
KEY FEATURES:
This unique design has an exceptionally low loss and a very selective Band-pass filter with fixed bandwidth. The LPDA-A-WB V2 offers flexibility as well as additional front-end protection against interfering dirty RF, the booster offers 18dB user adjustable gain to compensate long antenna extension cable losses hence increased distance between the transmitter and the receiver, LPDA-A-WB finds its application in film making, documentaries, fixed installations as in studios, and theatres. Compatible with any UHF wireless receiving systems (Digital or Analogue) providing a directional coverage pattern.
The antennae are constructed using advanced multi-layer PCB design technique with copper-clad epoxy fiberglass to withstand heavy duty use in harsh environments, providing long life and consistent performance under difficult operating conditions. The booster box is a custom-design machined aluminum, black anodized with water resistant O-ring mounting. Mounting is made easy with integrated thread that directly mounts on to a tripod or with the supplied adaptor it can be mounted directly on to a microphone stand. Powering is through coaxial cable, power source of 10-18Vdc.
Specifications
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Active Mode
|
|
|---|---|
| Frequency Range | 470 to 960MHz with in-built Band Pass Filter |
| Available Bandwidths to order | 470-700MHz, 470-608MHz, 470-663MHz, 470-865MHz, 470-938MHz, 470-960MHz |
| Booster Gain | +18dB (user adjustable in 1.0dB steps) |
| Selectivity (Based on 470-960MHz Band) | -38dB@420MHz and -30dB@10750MHz min. |
| OIP3 | >+41dBm |
|
Passive Mode (no dc)
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|
| Frequency Range | In-built Band Pass Filter |
| Passive Gain | +5dB with in-built band Pass Filter |
|
Connections
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|
| RF output | 50 Ω Standard BNC-F |
| Mounting Options | 3/8”-16 standard tripod mount 5/8”-27 adapter supplied |
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Powering
|
|
| External Power | 10-18Vdc, through coaxial cable (reverse power and short circuit protected) |
| Current consumption@12Vdc | 75mA +/- 10mA |
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Outer Case
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| Dimensions | 270x290x90mm |
| Weight | 490g |
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